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From Ben Laurie <...@gonzo.ben.algroup.co.uk>
Subject Re: [post-1.2] proposed api extension mechanism
Date Thu, 01 May 1997 12:23:44 GMT
rasmus@bellglobal.com wrote:
> 
> > This idea could allow modules to dynamically extend the API with their own
> > set of functions that other code can use.  In particular, the first thing
> > I have in mind that could be added with this is a "lookup interface" as a
> > wrapper for the various DBM, DB, DBMS schemes... and then a modified
> > mod_auth that would use any of them (and others not yet written) via the
> > new interface. Other modules, such as mod_rewrite, which currently use DBM
> > could also be modified so they can use all available lookup methods.
> 
> I like the idea.  One thing that might get confusing is how to handle
> dependancies between modules.  If modules start to depend on functions in
> other modules, I envision problems installing and configuring the
> correct modules to get a certain module to work.
> 
> There might also be some overlap.  For example, my mod_php module includes
> support for a bunch of SQL engines.  The various SQL-based mod_auth modules
> that already exist use very similar calls.  Theoretically, the SQL access
> functions need only be in one place.  I wouldn't want to force people
> who use mod_php to have to use a certain mod_auth module and vice versa.
> Perhaps the actual access functions should be separated completely from the
> functional modules themselves?  They could perhaps be standalone access
> function modules.  ie. mod_func_oracle, mod_func_sybase, mid_func_mysql,
> mod_func_snmp, etc.  Then if you were writing a module that needed to access
> Oracle, or needed to make snmp queries, you would use the appropriate
> access function module.

Again, it seems to me that C++ would be a much cooler way to handle this kind
of thing.

Cheers,

Ben.

-- 
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Ben Laurie                Phone: +44 (181) 994 6435  Email: ben@algroup.co.uk
Freelance Consultant and  Fax:   +44 (181) 994 6472
Technical Director        URL: http://www.algroup.co.uk/Apache-SSL
A.L. Digital Ltd,         Apache Group member (http://www.apache.org)
London, England.          Apache-SSL author

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